About Daniel's HVAC, LLC Southern Ohio's Superior Geothermal Source You can depend on Daniel's HVAC, LLC for all your WaterFurnace Southern Ohio geothermal heating and cooling needs, including... planning assistance. complete comfort system installation. routine service and maintenance. emergency repair. energy-saving advice and consultation. Our highly qualified professional staff is committed to the complete satisfaction of customers throughout the Southern Ohio area. After all, you've chosen the premium heating and cooling system on the market today. We make sure each system will live up to the expectations of, boosting your home's conditioning efficiency and helping you cut energy costs. Contact Daniel's HVAC, LLC today to get a free estimate and a cost savings analysis for your home.